1 Duplicate to 2 HDMI Displays 4K HDMI 2.0 Splitter 1x2 with Scalar HDCP2.2 Set

HDMI 2.0 HDCP2.2. This HDMI splitter 1 in 2 out supports mirroring and extension functions, press Windows+P to select both modes. In Extended mode, the external monitor is treated as a separate screen so that you can open different windows on the monitor and the desktop.

eBay